Great! Thank you very much!

Works great.

Almost perfect, but feedburner feeds won't work with this addon.

Works well but in the bottom of RSS page it creates such a garbage:

document.onselectstart = function () {return true; };document.oncontextmenu = function () { return true; }; document.onmousedown = function () { return true; }; document.onkeydown = function () { return true; }; document.body.onselectstart = function () {return true; };document.body.oncontextmenu = function () { return true; }; document.body.onmousedown = function () { return true; }; document.body.onkeydown = function () { return true; }; jQuery(document).unbind("keydown");jQuery(document).unbind("mousedown");

Works well.

I don't understand why Mozilla would remove this function, but thanks to Aurelien David we have it back! It works as well as when it was built in.

Tested 12 others before settling on this - it's as good as Firefox's original RSS reader.